Police Supernova 5 Sunglasses feature a square acetate frame and anti-reflective brown lenses, designed to reduce glare and perform well for everyday city wear. Key attributes: Shiny transparent dark grey | Brown | Acetate | Anti-reflective coating | Glare reduction | Hidden hinge | Full-rim frame | Nylon lenses | Square frame | Faceted acetate front and temples | Triangular stud detail | Dimensions & fit: Lens width: 53 mm | Bridge size: 21 mm | Temple length: 150 mm | Composition & care: Frame: Acetate | Lenses: Nylon | Wipe lenses with a microfiber cloth; avoid solvents and abrasive cleaners; store in protective case.